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JavaScript/Conversions/LowerCaseConversion.js
Roland Hummel 86d333ee94 feat: Test running overhaul, switch to Prettier & reformat everything (#1407)
* chore: Switch to Node 20 + Vitest

* chore: migrate to vitest mock functions

* chore: code style (switch to prettier)

* test: re-enable long-running test

Seems the switch to Node 20 and Vitest has vastly improved the code's and / or the test's runtime!

see #1193

* chore: code style

* chore: fix failing tests

* Updated Documentation in README.md

* Update contribution guidelines to state usage of Prettier

* fix: set prettier printWidth back to 80

* chore: apply updated code style automatically

* fix: set prettier line endings to lf again

* chore: apply updated code style automatically

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Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>
2023-10-04 02:38:19 +05:30

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/*
Explanation :- a user gives a String (it can be incomplete uppercase or
partial uppercase) and then the program would convert it into a
complete(all characters in lower case) lower case string. The
logic we have used in the following program is: All the upper case
characters (A-Z) has ASCII value ranging from 65 to 90 and their
corresponding lower case characters (a-z) have ASCII values 32
greater than them. For example A has an ASCII value of 65
and a has an ASCII value of 97 (65+32). The same applies to other
characters.
*/
/**
* LowerCaseConversion takes any case-style string and converts it to the lower case-style string.
* @param {String} inputString any case style string
* @returns {String} lower case string
*/
const LowerCaseConversion = (inputString) => {
// Take a string and split it into characters.
const newString = inputString.split('').map((char) => {
// Get a character code by the use charCodeAt method.
const presentCharCode = char.charCodeAt()
// If the character code lies between 65 to 90 it means they are in the upper case so convert it.
if (presentCharCode >= 65 && presentCharCode <= 90) {
// Convert the case by use of the above explanation.
return String.fromCharCode(presentCharCode + 32)
}
// Else return the characters without any modification.
return char
})
// After modification, with the help of the join method, join all the characters and return them.
return newString.join('')
}
export { LowerCaseConversion }